/Engine/Plugins/FX/Niagara/Source/NiagaraEditor/Public/NiagaraParameterMapHistory.h
Take a non-namespaced variable and move it to an appropriate external constant namespace for this script type.
namespace FNiagaraParameterUtilities { [FNiagaraVariable](API\Plugins\Niagara\FNiagaraVariable) FNiagaraParameterUtilities::MoveToExternalConstantNamespaceVariable ( const [FNiagaraVariable](API\Plugins\Niagara\FNiagaraVariable) & InVar, const [UNiagaraScript](API\Plugins\Niagara\UNiagaraScript) * InScript ) }